UV light is highly effective at killing germs The ... Companies that sell UVC pen-like devices and UVC bottles claim to rid 99.99% of bacteria and viruses from water. Such products are typically ...

Inside, cushioned in foam, is what looks a bit like a high-tech pen. In fact, there are two parts: a tube of Bondic's special fluid and the UV activator light. It is applied much like superglue ...

Highlighter pens contain chemicals that absorb visible light as well as ultraviolet (UV) light, which humans cannot see. The UV light “excites” the electrons in the ink’s molecules and ...